daverclasper Posted October 16, 2018 Report Share Posted October 16, 2018 Hi. Cash a bit tight at the mo. Anyone made their own from anything else?. Thanks, Dave Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 16, 2018 Report Share Posted October 16, 2018 Ive seen a plywood base plate , but know idea if it was comfortable , , I guess a bit firm on the big end !! Pete Link to comment Share on other sites More sharing options...
68vitesse Posted October 16, 2018 Report Share Posted October 16, 2018 I looked at this a while back, one of the main suppliers list the part as unavailable but offer a modified TR 6 one at more than twice the price of the TR one. Regards Paul Link to comment Share on other sites More sharing options...
thescrapman Posted October 17, 2018 Report Share Posted October 17, 2018 I stuff a pile of old curtains under the seat, more curtains the firmer the seat. Link to comment Share on other sites More sharing options...
daverclasper Posted October 17, 2018 Author Report Share Posted October 17, 2018 Thanks chaps. will use the curtains idea for the time being, and the ply idea sounds good. around 6mm thick do you think?. Dave Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 17, 2018 Report Share Posted October 17, 2018 Why not use a whoopee cushion , But watch out for speed bumps , you get an audible warning 6mm if it works you can tell use all. Pete 1 Link to comment Share on other sites More sharing options...
daverclasper Posted October 18, 2018 Author Report Share Posted October 18, 2018 Yes, a whoopee cushion, Then I can blame it on that and the farm we just passed. Link to comment Share on other sites More sharing options...
dougbgt6 Posted October 18, 2018 Report Share Posted October 18, 2018 When I got my seat foams included were a couple of diaphragms. They're pressed cardboard like what's under the door panels. Nearest thing I can think off is 3mm hardboard from B & Q, about £6 for a big sheet. Doug Link to comment Share on other sites More sharing options...
NonMember Posted October 18, 2018 Report Share Posted October 18, 2018 57 minutes ago, dougbgt6 said: When I got my seat foams included were a couple of diaphragms. They're pressed cardboard like what's under the door panels. Was that for the GT6? Spitfire and GT6 seats have a wire-frame base with a cardboard panel to support the foam. Herald and Vitesse are different but my memory isn't good enough to say whether they're a large rubber sheet hung at the corners or something else. Link to comment Share on other sites More sharing options...
Pete Lewis Posted October 18, 2018 Report Share Posted October 18, 2018 Link to comment Share on other sites More sharing options...
dougbgt6 Posted October 18, 2018 Report Share Posted October 18, 2018 Yeh, GT6 with a wire frame, so cardboard not a good idea then? db Link to comment Share on other sites More sharing options...
Colin Lindsay Posted October 18, 2018 Report Share Posted October 18, 2018 54 minutes ago, NonMember said: Was that for the GT6? Spitfire and GT6 seats have a wire-frame base with a cardboard panel to support the foam. Herald and Vitesse are different but my memory isn't good enough to say whether they're a large rubber sheet hung at the corners or something else. Heralds certainly have a large rubber diaphragm, hooked around the edges with wire clips. I had to make up a handled puller to stretch them into place as I couldn't pull them sufficiently into place otherwise. Link to comment Share on other sites More sharing options...
Badwolf Posted October 21, 2018 Report Share Posted October 21, 2018 On 18/10/2018 at 13:09, dougbgt6 said: When I got my seat foams included were a couple of diaphragms. They're pressed cardboard like what's under the door panels. Nearest thing I can think off is 3mm hardboard from B & Q, about £6 for a big sheet. Doug 2mm picture framing back is available from framers/merchants and is easier to fold/cut. It is also good for diy door cards as, because it is 1mm thinner, is less likely to foul the door gap when you close it especially when you add vinyl etc. I used the 3mm many years ago and the doors wouldn't shut without forcing them. Link to comment Share on other sites More sharing options...
NickT Posted October 26, 2018 Report Share Posted October 26, 2018 I replaced my drivers seat diaphragm with one off the bay. You can get one for about £20-£25. be warned tho the one i got didn't line up so had to drill some extra holes in the frame surround. It is a bit of a b***** of a job. i slotted a old screwdriver in the end. I tried a piece of board under for a while but i ended up sitting to high. looking like some strange captain on a yacht?. The first one i tried split due to stretching it to much, so the supplier said, tho he did send me another free. I then attached it at the back and sides and used some strong wire to attach front hooks. Hope this helps a bit. Nick Link to comment Share on other sites More sharing options...
Nick Jones Posted October 26, 2018 Report Share Posted October 26, 2018 Pirelli rubber webbing? You can buy these and end clips in various places at reasonable cost. Nick Link to comment Share on other sites More sharing options...
daverclasper Posted October 27, 2018 Author Report Share Posted October 27, 2018 (edited) Thanks everyone. Used the ply and cable ties for now (quite fiddly). Seat not back in car, though feels noticeably harder on the old deri, in the living room. Foam on it's way out, so that's maybe not helping. Dave Edited October 28, 2018 by daverclasper Link to comment Share on other sites More sharing options...
Badwolf Posted October 28, 2018 Report Share Posted October 28, 2018 I didn't realise just how bad my seat foams had been until I got new ones. Lady BW said she didn't realise that she had actually been sitting on the floor of the car. Link to comment Share on other sites More sharing options...
Peter Truman Posted December 29, 2018 Report Share Posted December 29, 2018 Haven't done the Vitesse yet diaphragms OK but the foam, dunlopillow crumbling. Re replacement diaphragms on the Dolly Sprint I used 9in long heavy duty molded rubber bungee straps, 9 per seat 5 front to back and 4 side to side interlaced with each other, very firm. The hook end was opened a little & goes over the tubular set frame not in the hog clip hole, they don't appear to have moved on the frame the interlacing stops that. Cost wise worked out cheaper than the diaphragm and easier to fit!, purchased from our local Bunning (large chain hardware warehouse/store) here in OZ The temp fix until I worked out the bungee straps was two towels rolled up and jammed under the seat, quite comfortable actually. Peter T Link to comment Share on other sites More sharing options...
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